OFFSET
1,2
MATHEMATICA
Select[ Range[ 10^7 ], Mod[ PowerMod[ 13, #, # ] + PowerMod[ 11, #, # ] + PowerMod[ 9, #, # ] + PowerMod[ 7, #, # ] + PowerMod[ 5, #, # ] + PowerMod[ 3, #, # ] + 1, # ] == 0 & ]
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Nov 08 2000
STATUS
approved